OK, so my 97 blazer transmission started acting up last week. Parked it for a couple days while I figure out a game plan. Went back to start it and it won't. Tested fuel pressure, replaced coil, had ignition module tested, no fire with starting fluid. Getting spark out of the distributor (haven't pulled plugs yet). I'm at a loss. I don't believe it's a timing issue as it ran fine one day, and not the next time I tried. Would it be possible that the computer acted up to cause transmission problems and then engine issues?